| Paper: | SPCOM-P5.11 | ||
| Session: | Synchronization | ||
| Time: | Wednesday, May 17, 10:00 - 12:00 | ||
| Presentation: | Poster | ||
| Topic: | Signal Processing for Communication: Acquisition, synchronization and tracking | ||
| Title: | A Frame-Start Detector for a 4x4 MIMO-OFDM System | ||
| Authors: | David Perels, Simon Haene, Andreas Burg, Peter Luethi, Norbert Felber, Wolfgang Fichtner, Swiss Federal Institute of Technology Zurich, Switzerland | ||
| Abstract: | Future wireless LANs will increase the peak data rate by employing multiple antennas at both transmitter and receiver. Well designed synchronization algorithms are a prerequisite for meeting stringent QoS requirements. In particular OFDM modulation, which constitutes the basics for WLAN, is very sensitive to timing synchronization errors which incur inter-symbol interference. In this paper, a novel frame synchronization algorithm is proposed that is implemented in the FPGA of a real-time MIMO-OFDM testbed. Simulations show it to be of sufficient performance in scenarios of interest, while the hardware complexity is suitable for an FPGA implementation. Additionally, the algorithm exhibits a good resilience against narrow-band interference, which causes problems in traditional frame-start detection algorithms. | ||
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